| 释义 |
tricircular, a. Geom.|traɪˈsɜːkjʊlə(r)|
[f. tri- 1, 2 + circular.]
a. Referred to three fixed circles: said of a system of co-ordinates.
b. Passing three times through each of the circular points at infinity: said of a curve.
1876Cayley Math. Papers IX. 562 The sextic is a tricircular sextic having the three points A, B, C for foci. |